View our Specials! Coupon Code: SaveIn2026
Exedy Clutch and Flywheel Sale

GMC Sierra 3500 HD aFe Catback

Shop GMC Sierra 3500 HD aFe Catback with free shipping to the Continental US 48 States.



Recently Added GMC Sierra 3500 HD aFe Catback:

aFe Exhaust Cat Back 49-44123-P
OUT OF STOCK
aFe Exhaust Cat Back 49-44123-P
aFe 20-23 GM 2500/3500HD V8 6.6L L8T Apollo GT Series 4in 409 SS Cat-Back Exhaust System
$750.00
aFe Exhaust Cat Back 49-44123-B
IN STOCK - LOW
aFe Exhaust Cat Back 49-44123-B
aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip
$820.00
aFe Exhaust Cat Back 49-44125-P
IN STOCK - LOW
aFe Exhaust Cat Back 49-44125-P
aFe Large Bore-HD 5 IN 409 SS DPF-Back Exhaust System w/Polished Tip 20-23 GM Truck V8-6.6L
$533.00
aFe Exhaust Cat Back 49-44122-B
IN STOCK - LOW
aFe Exhaust Cat Back 49-44122-B
aFe Apollo GT Series 3in 409SS Cat-Back Exhaust w/ Black Tip 2020 GM 2500/3500HD V8 6.6L L8T
$773.00
aFe Exhaust Cat Back 49-44043-P
OUT OF STOCK
aFe Exhaust Cat Back 49-44043-P
aFe MachForce XP Exhaust 4inch DP-Back All SS 2011-14 GM Diesel Trucks V8-6.6L LML Polished
$871.00
aFe Exhaust Cat Back 49-14002
OUT OF STOCK
aFe Exhaust Cat Back 49-14002
aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 06-07 V8-6.6L (td) LLY/LBZ
$660.00
aFe Exhaust Cat Back 49-44122-P
OUT OF STOCK
aFe Exhaust Cat Back 49-44122-P
aFe Apollo GT Series 3in 409SS Cat-Back Exhaust w/ Polished Tip 2020 GM 2500/3500HD V8 6.6L L8T
$704.00
aFe Exhaust Cat Back 49-44043-B
OUT OF STOCK
aFe Exhaust Cat Back 49-44043-B
aFe MachForce XP Exhaust 4inch DP-Back All SS 2011-14 GM Diesel Trucks V8-6.6L LML Black Tips
$967.00
aFe Exhaust Cat Back 49-44002
OUT OF STOCK
aFe Exhaust Cat Back 49-44002
aFe MACHForce XP Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 06-07 V8-6.6L (td) LLY/LBZ
$808.00
aFe Exhaust Cat Back 49-44006
OUT OF STOCK
aFe Exhaust Cat Back 49-44006
aFe MACHForce XP Exhausts Cat-Back SS-409 EXH CB GM Trucks 1500 07-08 V8 157 WB
$858.00

Popular GMC Sierra 3500 HD aFe Catback:

aFe Exhaust Cat Back 49-44125-P
IN STOCK - LOW
aFe Exhaust Cat Back 49-44125-P
aFe Large Bore-HD 5 IN 409 SS DPF-Back Exhaust System w/Polished Tip 20-23 GM Truck V8-6.6L
$533.00
aFe Exhaust Cat Back 49-44123-B
IN STOCK - LOW
aFe Exhaust Cat Back 49-44123-B
aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip
$820.00
aFe Exhaust Cat Back 49-44122-B
IN STOCK - LOW
aFe Exhaust Cat Back 49-44122-B
aFe Apollo GT Series 3in 409SS Cat-Back Exhaust w/ Black Tip 2020 GM 2500/3500HD V8 6.6L L8T
$773.00